Home / 42,002.03-63,003.05-14,300.03

Finding the Fourth Proportional to 42,002.03, 63,003.05 and 14,300.03

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Solution

The fourth proportional to 42,002.03, 63,003.05 and 14,300.03 is: 21,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.03 : 63,003.05 = 14,300.03 : x
  2. Step 2: Convert to fraction form
    42,002.03/63,003.05 = 14,300.03/x
  3. Step 3: Cross multiply
    42,002.03x = 63,003.05 × 14,300.03
  4. Step 4: Simplify right side
    42,002.03x = 900,945,505.09
  5. Step 5: Solve for x
    x = 900,945,505.09/42,002.03
  6. Step 6: Final answer
    x = 21,450.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.